I commute by bike and go to the gym two or three times each week. At the gym, I usually do upper body workouts, since I already cycle a lot. Not all my lower body muscles are exercised when I cycle.
Can you recommend me good lower body exercises that would complement my cycling routine? With explanation, please. I'd like to know which muscles I'd have to focus.
I want recommendations based in a health standpoint, not to increase my biking performance.